Home / 884,441.88-1,220,376.78-521,838.36

Finding the Fourth Proportional to 884,441.88, 1,220,376.78 and 521,838.36

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Solution

The fourth proportional to 884,441.88, 1,220,376.78 and 521,838.36 is: 720,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,441.88 : 1,220,376.78 = 521,838.36 : x
  2. Step 2: Convert to fraction form
    884,441.88/1,220,376.78 = 521,838.36/x
  3. Step 3: Cross multiply
    884,441.88x = 1,220,376.78 × 521,838.36
  4. Step 4: Simplify right side
    884,441.88x = 636,839,417,457.28
  5. Step 5: Solve for x
    x = 636,839,417,457.28/884,441.88
  6. Step 6: Final answer
    x = 720,046.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.